“I have a certificate and everything,” the comedian actress said. “I was teacher’s pet.”

With dummies set up on stage, Sedaris started to explain what to do if someone is going into cardiac arrest. She ordered a member of The Roots band to call 911 and Fallon to get an automated external defibrillator (AED) kit.

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“I’m the best chance you’ve got to be alive right now,” she said as she knelt on the table to do compressions.

“How about children? Kids grab something to put in their mouth and they're choking,” Fallon asked.